The video featured is from a previous report.
Police identified the suspect on Wednesday as 19-year-old Naseem Sills.
The nine victims, including three juveniles and six adults, were shot at a holiday "pop-up event" near the intersection of 60th Street and Kingsessing Ave. around 11:30 p.m. on July 4, 2024.
The crime scene spanned over two blocks.
Officials said they believe a car pulled up and someone inside began firing at the crowd.
Maurice White, 19, was shot in the head and later pronounced dead at the hospital.
Anyone with information on Sills' whereabouts is asked to call the homicide unit at 215-686-3334/3335. Tips can remain anonymous.